The Seat,helical Compression Spring, cataloged under National Stock Number 5340-00-371-4754, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-371-4754 |
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| End Diameter | 2.2420 INCHES MINIMUM AND 2.2460 INCHES MAXIMUM IN |
| Design Type | SOLID |
| Material Document and Classification | FED STD 66,AISI/SAE 1118 FED STD SINGLE MATERIAL RESPONSE |
| Counterbore Length | 0.1340 INCHES NOMINAL IN |
| Counterbore Diameter | 1.1984 INCHES MINIMUM AND 1.1990 INCHES MAXIMUM IN |
| Bore Diameter | 1.4040 INCHES MINIMUM AND 1.4090 INCHES MAXIMUM IN |
| Material | STEEL COMP 1118 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Reference | Meaning |
|---|---|
| GU7642 | 5/9 Secondary reference Ambac International Corporation Div Ambac International |
| GU7642 | 3/9 Design control — primary reference Haynes Corporation |
NSN 5340-00-371-4754 is a Seat,helical Compression Spring, classified under FSC 5340, Hardware, Commercial. Status: active.
Key specifications for 5340-00-371-4754: Overall Height: 0.2500 INCHES MINIMUM AND 0.2580 INCHES MAXIMUM IN; End Diameter: 2.2420 INCHES MINIMUM AND 2.2460 INCHES MAXIMUM IN; Design Type: SOLID; Material Document and Classification: FED STD 66,AISI/SAE 1118 FED STD SINGLE MATERIAL RESPONSE. 7 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.